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68b0f52359
* qt/examples: Add QtDBus example programs: - hello: Hello, World - ping: Simple method-calling program - pong: Simple object-exporting program (not using adaptors) - complexping: Interactive method-calling program (also gets and sets properties). - complexpong: Sample program exporting methods, signals and properties, using adaptors. - dbus: Simple implementation of a generic method-calling program, similar to 'dbus-send', but with semantics similar to 'dcop'. - chat: Simplistic chat program, implemented using signals and the system bus. Looks like IRC.
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/* -*- C++ -*-
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*
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* Copyright (C) 2006 Trolltech AS. All rights reserved.
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* Author: Thiago Macieira <thiago.macieira@trolltech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include <stdio.h>
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#include <dbus/qdbus.h>
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#include <QtCore/QCoreApplication>
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#include <QtCore/QFile>
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#include <QtCore/QDebug>
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#include <QtCore/QProcess>
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#include "ping-common.h"
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#include "complexping.h"
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void Ping::start(const QString &name, const QString &oldValue, const QString &newValue)
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{
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Q_UNUSED(oldValue);
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if (name != SERVICE_NAME || newValue.isEmpty())
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return;
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// open stdin for reading
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qstdin.open(stdin, QIODevice::ReadOnly);
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// find our remote
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iface = QDBus::sessionBus().findInterface(SERVICE_NAME, "/");
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if (!iface) {
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fprintf(stderr, "%s\n",
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qPrintable(QDBus::sessionBus().lastError().message()));
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QCoreApplication::instance()->quit();
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}
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connect(iface, SIGNAL(aboutToQuit()), QCoreApplication::instance(), SLOT(quit()));
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while (true) {
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qDebug() << "Ready";
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QString line = QString::fromLocal8Bit(qstdin.readLine()).trimmed();
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if (line.isEmpty()) {
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iface->call("quit");
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return;
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} else if (line == "value") {
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QVariant reply = iface->property("value");
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if (!reply.isNull())
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qDebug() << "value =" << reply.toString();
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} else if (line.startsWith("value=")) {
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iface->setProperty("value", line.mid(6));
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} else {
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QDBusReply<QVariant> reply = iface->call("query", line);
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if (reply.isSuccess())
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qDebug() << "Reply was:" << reply.value();
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}
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if (iface->lastError().isValid())
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fprintf(stderr, "Call failed: %s\n", qPrintable(iface->lastError().message()));
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}
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}
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int main(int argc, char **argv)
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{
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QCoreApplication app(argc, argv);
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Ping ping;
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ping.connect(QDBus::sessionBus().busService(),
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SIGNAL(nameOwnerChanged(QString,QString,QString)),
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SLOT(start(QString,QString,QString)));
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QProcess pong;
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pong.start("./complexpong");
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app.exec();
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}
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#include "complexping.moc"
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